Aldo Joseph Baccala

The Sonoma County District Attorney’s Office and California Attorney General Kamala Harris filed a 164-count complaint Thursday against a Petaluma man suspected of stealing $20 million from dozens of investors in an alleged securities fraud Ponzi scheme.

A Petaluma man who allegedly stole more than $20 million from dozens of investors in a Ponzi scheme has been arrested, Attorney General Kamala Harris and Sonoma County District Attorney Jill Ravitch announced Tuesday.